body{
    margin:0;
    padding: 0;
    width:100%;
    height: 100%;
    min-width: 1024px;
}
/*顶部导航条*/
.navbar{
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 11;
	font-size:16px;
}

.fixtx-box{
    width: 400px;
    height: 400px;
    background-color: #ccc;
    margin: 0 auto;
    margin-top: 170px;
    padding: 20px;
    border-radius: 5px;
}

.tx-box{
    width: 100px;
    height: 100px;
    background-color: pink;
    margin: 0 auto;
    margin-top: 50px;
    border-radius: 5px;
}